Home / 11,239.75-16,859.63-3,031.75

Finding the Fourth Proportional to 11,239.75, 16,859.63 and 3,031.75

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Solution

The fourth proportional to 11,239.75, 16,859.63 and 3,031.75 is: 4,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.75 : 16,859.63 = 3,031.75 : x
  2. Step 2: Convert to fraction form
    11,239.75/16,859.63 = 3,031.75/x
  3. Step 3: Cross multiply
    11,239.75x = 16,859.63 × 3,031.75
  4. Step 4: Simplify right side
    11,239.75x = 51,114,183.25
  5. Step 5: Solve for x
    x = 51,114,183.25/11,239.75
  6. Step 6: Final answer
    x = 4,547.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.